Synonyms|282Antonyms|7|Broader|5Narrower|1Related|54

140 entries under noun topic. ×

3
pillar(hold, block, back, base)
3
rudiment(law, base, foundation, basic)
3
underpinning(hold, block, back, base)
2
alkali
2
bedrock(base, basis)
2
headstone
2
axiom(law, foundation, basic, stipulation)
2
column(hold, block, back, base)
2
element(law, foundation, basic, stipulation)
2
infrastructure(base, basis)
2
kernel
2
linchpin(idea, element, foundation, essence)
2
mainspring(idea, element, standard, foundation)
2
mainstay(element, foundation, basis, pillar)
2
pith
2
rock
2
substance
2
substratum(hold, block, back, base)
2
substructure(hold, block, back, base)
2
support(base, foundation, basis, brace)
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APASmart Define. (2015). cornerstone thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/cornerstone/thesaurus/synonyms
ChicagoSmart Define. 2015. "cornerstone thesaurus" https://smartdefine.org/cornerstone/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, cornerstone thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/cornerstone/thesaurus/synonyms>.
MLASmart Define. "cornerstone thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/cornerstone/thesaurus/synonyms>